控制流语句if-else-end，并且用学生成绩举例，创建Hilbert矩阵，n阶魔方矩阵，编写一个M函数文件-Control-flow statements if-else-end, and with student achievement, for example, create a Hilbert matrix, n-order magic square matrix, the preparation of an M function file
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001906s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.005948s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002043s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002717s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 3925 [ RunTime:0.001103s ]
